103312121023 has 4 divisors (see below), whose sum is σ = 103313365528. Its totient is φ = 103310876520.

The previous prime is 103312121021. The next prime is 103312121111. The reversal of 103312121023 is 320121213301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103312121023 - 2¹ = 103312121021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103312121021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488088 + ... + 666973.

It is an arithmetic number, because the mean of its divisors is an integer number (25828341382).

Almost surely, 2^103312121023 is an apocalyptic number.

103312121023 is a deficient number, since it is larger than the sum of its proper divisors (1244505).

103312121023 is an equidigital number, since it uses as much as digits as its factorization.

103312121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244504.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103312121023 its reverse (320121213301), we get a palindrome (423433334324).

The spelling of 103312121023 in words is "one hundred three billion, three hundred twelve million, one hundred twenty-one thousand, twenty-three".